MySQL and the Leap Second, High CPU and the Fix | Mozilla ITMozilla IT Mozilla IT & Operations MySQL and the Leap Second, High CPU and the Fix Jun 30 2012 3 So, MySQL seemed to be faring just fine during and after the leap second. There were no big problems or catastrophic failures. However, we noticed that MySQL (and Java) servers* had a huge spike in CPU – which was odd, because nothing out of the ordinary was running. We were able to fix the problem qui
